Fig. 6.

The ∆tol-pal mutant displays a reduced virulence towards G. mellonella larvae. For infection assays, 10 µl of either the A. baumannii wild type strain (□) or the Δtol-pal (△) mutant (approximately 1*10⁶ CFU) was injected into preselected G. mellonella caterpillars followed by incubation at 37 °C for 7 days. A control group was injected with 10 µl sterile saline (▽) and another control group was untreated (○). Each value is the mean ± SEM of at least three independent measurements. The p values for the G. mellonella survival rates at days 3 and 4 are 0.0138 and 0.0072, respectively